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<a name="1" href="#1">1</a>   <em>/**<em>*</em></em>
<a name="2" href="#2">2</a>   <em> * $Id: URLData.html 12 2009-01-29 12:00:24Z azeckoski $</em>
<a name="3" href="#3">3</a>   <em> * $URL: http://entitybus.googlecode.com/svn/maven/site/entitybus-utils/xref/org/sakaiproject/entitybus/util/http/URLData.html $</em>
<a name="4" href="#4">4</a>   <em> * URLData.java - entity-broker - Jan 2, 2009 12:28:51 PM - azeckoski</em>
<a name="5" href="#5">5</a>   <em> **************************************************************************</em>
<a name="6" href="#6">6</a>   <em> * Copyright (c) 2008 Aaron Zeckoski</em>
<a name="7" href="#7">7</a>   <em> * Licensed under the Apache License, Version 2.0</em>
<a name="8" href="#8">8</a>   <em> * </em>
<a name="9" href="#9">9</a>   <em> * A copy of the Apache License has been included in this </em>
<a name="10" href="#10">10</a>  <em> * distribution and is available at: <a href="http://www.apache.org/licenses/LICENSE-2.0.txt" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0.txt</a></em>
<a name="11" href="#11">11</a>  <em> *</em>
<a name="12" href="#12">12</a>  <em> * Aaron Zeckoski (azeckoski @ gmail.com) (aaronz @ vt.edu) (aaron @ caret.cam.ac.uk)</em>
<a name="13" href="#13">13</a>  <em> */</em>
<a name="14" href="#14">14</a>  
<a name="15" href="#15">15</a>  <strong>package</strong> org.sakaiproject.entitybus.util.http;
<a name="16" href="#16">16</a>  
<a name="17" href="#17">17</a>  <strong>import</strong> org.sakaiproject.entitybus.util.TemplateParseUtil;
<a name="18" href="#18">18</a>  
<a name="19" href="#19">19</a>  
<a name="20" href="#20">20</a>  <em>/**<em>*</em></em>
<a name="21" href="#21">21</a>  <em> * This is a storage and parsing utility class,</em>
<a name="22" href="#22">22</a>  <em> * supports the ability to get the data out of a URL</em>
<a name="23" href="#23">23</a>  <em> * </em>
<a name="24" href="#24">24</a>  <em> * @author Aaron Zeckoski (azeckoski @ gmail.com)</em>
<a name="25" href="#25">25</a>  <em> */</em>
<a name="26" href="#26">26</a>  <strong>public</strong> <strong>class</strong> <a href="../../../../../org/sakaiproject/entitybus/util/http/URLData.html">URLData</a> {
<a name="27" href="#27">27</a>      <strong>public</strong> String originalURL;
<a name="28" href="#28">28</a>      <strong>public</strong> String protocol;
<a name="29" href="#29">29</a>      <strong>public</strong> String server;
<a name="30" href="#30">30</a>      <strong>public</strong> String port;
<a name="31" href="#31">31</a>      <strong>public</strong> String path;
<a name="32" href="#32">32</a>      <strong>public</strong> String extension;
<a name="33" href="#33">33</a>      <strong>public</strong> String servletName;
<a name="34" href="#34">34</a>      <strong>public</strong> String contextPath;
<a name="35" href="#35">35</a>      <strong>public</strong> String pathInfo;
<a name="36" href="#36">36</a>      <strong>public</strong> String pathInfoNoExtension;
<a name="37" href="#37">37</a>      <strong>public</strong> String query;
<a name="38" href="#38">38</a>  
<a name="39" href="#39">39</a>      <strong>public</strong> <a href="../../../../../org/sakaiproject/entitybus/util/http/URLData.html">URLData</a>(String url) {
<a name="40" href="#40">40</a>          <strong>if</strong> (url == <strong>null</strong> || <span class="string">""</span>.equals(url)) {
<a name="41" href="#41">41</a>              <strong>throw</strong> <strong>new</strong> IllegalArgumentException(<span class="string">"url cannot be null or empty string"</span>);
<a name="42" href="#42">42</a>          }
<a name="43" href="#43">43</a>          url = url.trim();
<a name="44" href="#44">44</a>          originalURL = url;
<a name="45" href="#45">45</a>          <strong>int</strong> length = url.length();
<a name="46" href="#46">46</a>          <strong>int</strong> curLoc = 0;
<a name="47" href="#47">47</a>          <strong>int</strong> protLoc = url.indexOf(<span class="string">"://"</span>);
<a name="48" href="#48">48</a>          <strong>if</strong> (protLoc > 0) {
<a name="49" href="#49">49</a>              protocol = url.substring(0, protLoc);
<a name="50" href="#50">50</a>              <strong>int</strong> slashLoc = url.indexOf('/', protLoc+3);
<a name="51" href="#51">51</a>              <strong>if</strong> (slashLoc == -1) {
<a name="52" href="#52">52</a>                  slashLoc = length;
<a name="53" href="#53">53</a>              }
<a name="54" href="#54">54</a>              <strong>int</strong> colonLoc = url.indexOf(':', protLoc+3);
<a name="55" href="#55">55</a>              <strong>if</strong> (colonLoc > 0) {
<a name="56" href="#56">56</a>                  server = url.substring(protLoc+3, colonLoc);
<a name="57" href="#57">57</a>                  port = url.substring(colonLoc+1, slashLoc);
<a name="58" href="#58">58</a>              } <strong>else</strong> {
<a name="59" href="#59">59</a>                  server = url.substring(protLoc+3, slashLoc);
<a name="60" href="#60">60</a>                  port = <span class="string">"80"</span>;
<a name="61" href="#61">61</a>              }
<a name="62" href="#62">62</a>              curLoc = slashLoc + 1;
<a name="63" href="#63">63</a>          } <strong>else</strong> {
<a name="64" href="#64">64</a>              protocol = <span class="string">"http"</span>;
<a name="65" href="#65">65</a>              server = <span class="string">"localhost"</span>;
<a name="66" href="#66">66</a>              port = <span class="string">"80"</span>;
<a name="67" href="#67">67</a>          }
<a name="68" href="#68">68</a>          <strong>if</strong> (curLoc &lt; length) {
<a name="69" href="#69">69</a>              <em class="comment">// split into path and query string</em>
<a name="70" href="#70">70</a>              <strong>int</strong> questLoc = url.indexOf('?');
<a name="71" href="#71">71</a>              <strong>if</strong> (questLoc > 0) {
<a name="72" href="#72">72</a>                  path = url.substring(curLoc, questLoc);
<a name="73" href="#73">73</a>                  <strong>if</strong> (questLoc &lt; length -1) {
<a name="74" href="#74">74</a>                      query = url.substring(questLoc+1);
<a name="75" href="#75">75</a>                  } <strong>else</strong> {
<a name="76" href="#76">76</a>                      query = <span class="string">""</span>;
<a name="77" href="#77">77</a>                  }
<a name="78" href="#78">78</a>              } <strong>else</strong> {
<a name="79" href="#79">79</a>                  <em class="comment">// no query string</em>
<a name="80" href="#80">80</a>                  path = url.substring(curLoc);
<a name="81" href="#81">81</a>                  query = <span class="string">""</span>;
<a name="82" href="#82">82</a>              }
<a name="83" href="#83">83</a>          } <strong>else</strong> {
<a name="84" href="#84">84</a>              <em class="comment">// no path</em>
<a name="85" href="#85">85</a>              path = <span class="string">""</span>;
<a name="86" href="#86">86</a>              servletName = <span class="string">""</span>;
<a name="87" href="#87">87</a>              contextPath = <span class="string">""</span>;
<a name="88" href="#88">88</a>              pathInfo = <span class="string">""</span>;
<a name="89" href="#89">89</a>              query = <span class="string">""</span>;
<a name="90" href="#90">90</a>              extension = <span class="string">""</span>;
<a name="91" href="#91">91</a>              pathInfoNoExtension = <span class="string">""</span>;
<a name="92" href="#92">92</a>          }
<a name="93" href="#93">93</a>          <em class="comment">// get servlet from path</em>
<a name="94" href="#94">94</a>          <strong>if</strong> (path != <strong>null</strong> &amp;&amp; path.length() > 2) {
<a name="95" href="#95">95</a>              <strong>int</strong> start = 0;
<a name="96" href="#96">96</a>              <strong>int</strong> slashLoc = path.indexOf('/');
<a name="97" href="#97">97</a>              <strong>if</strong> (slashLoc == 0) {
<a name="98" href="#98">98</a>                  start = 1;
<a name="99" href="#99">99</a>                  slashLoc = path.indexOf('/', 1);
<a name="100" href="#100">100</a>             }
<a name="101" href="#101">101</a>             <strong>if</strong> (slashLoc == -1) {
<a name="102" href="#102">102</a>                 slashLoc = path.length();
<a name="103" href="#103">103</a>             }
<a name="104" href="#104">104</a>             servletName = path.substring(start, slashLoc);
<a name="105" href="#105">105</a>             <strong>if</strong> (servletName.length() > 0) {
<a name="106" href="#106">106</a>                 contextPath = <span class="string">"/"</span> + servletName;
<a name="107" href="#107">107</a>             }
<a name="108" href="#108">108</a>             pathInfo = path.substring(slashLoc);
<a name="109" href="#109">109</a>             pathInfoNoExtension = pathInfo;
<a name="110" href="#110">110</a>             extension = <span class="string">""</span>;
<a name="111" href="#111">111</a>             <em class="comment">// check for extension</em>
<a name="112" href="#112">112</a>             <strong>if</strong> (pathInfo.indexOf('.') != -1) {
<a name="113" href="#113">113</a>                 String[] parsed = TemplateParseUtil.findExtension(pathInfo);
<a name="114" href="#114">114</a>                 pathInfoNoExtension = parsed[1];
<a name="115" href="#115">115</a>                 extension = parsed[2] == <strong>null</strong> ? <span class="string">""</span> : parsed[2];
<a name="116" href="#116">116</a>             }
<a name="117" href="#117">117</a>         }
<a name="118" href="#118">118</a>     }
<a name="119" href="#119">119</a>     <em class="comment">// done</em>
<a name="120" href="#120">120</a> }
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